[INFO] cloning repository https://github.com/yyjhao/rust-react
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yyjhao/rust-react" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyjhao%2Frust-react", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyjhao%2Frust-react'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54881436bfbda3a11f114c7dd8204ba4e3e073e9
[INFO] testing yyjhao/rust-react against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyjhao%2Frust-react" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yyjhao/rust-react on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yyjhao/rust-react
[INFO] finished tweaking git repo https://github.com/yyjhao/rust-react
[INFO] tweaked toml for git repo https://github.com/yyjhao/rust-react written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/yyjhao/rust-react already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded im-rc v15.0.0
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a2942b8ec5dded12246682b66ae63fc08529045bdd0ceb2a327147aa33896f0
[INFO] running `Command { std: "docker" "start" "-a" "8a2942b8ec5dded12246682b66ae63fc08529045bdd0ceb2a327147aa33896f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a2942b8ec5dded12246682b66ae63fc08529045bdd0ceb2a327147aa33896f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a2942b8ec5dded12246682b66ae63fc08529045bdd0ceb2a327147aa33896f0", kill_on_drop: false }`
[INFO] [stdout] 8a2942b8ec5dded12246682b66ae63fc08529045bdd0ceb2a327147aa33896f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb364dc5cd672a64f008c3841d72c209e61d930d97c165b42b7991b41442c61c
[INFO] running `Command { std: "docker" "start" "-a" "eb364dc5cd672a64f008c3841d72c209e61d930d97c165b42b7991b41442c61c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]    Compiling js-sys v0.3.44
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.44
[INFO] [stderr]    Compiling rust-react v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/scope/scope.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/scope/state.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `use_effect`
[INFO] [stdout]    --> src/scope/scope.rs:205:12
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn use_effect<Basis: Eq + 'static, C: FnOnce() -> () + 'static, F: Fn() -> Option<C> + 'static>(&mut self, effect: F, basis: Basi...
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `use_effect_always`
[INFO] [stdout]    --> src/scope/scope.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn use_effect_always<C: FnOnce() -> () + 'static, F: Fn() -> Option<C> + Clone + 'static>(&mut self, effect: F) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/scope/effect.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn update(&self, new_effect: F, new_basis: Basis) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "eb364dc5cd672a64f008c3841d72c209e61d930d97c165b42b7991b41442c61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb364dc5cd672a64f008c3841d72c209e61d930d97c165b42b7991b41442c61c", kill_on_drop: false }`
[INFO] [stdout] eb364dc5cd672a64f008c3841d72c209e61d930d97c165b42b7991b41442c61c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 819b9f40c005244d24661ca6e1eb8abd424e02bd46bd35e24d33f8fb201f3574
[INFO] running `Command { std: "docker" "start" "-a" "819b9f40c005244d24661ca6e1eb8abd424e02bd46bd35e24d33f8fb201f3574", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-react v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/scope/scope.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/scope/state.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `use_effect`
[INFO] [stdout]    --> src/scope/scope.rs:205:12
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn use_effect<Basis: Eq + 'static, C: FnOnce() -> () + 'static, F: Fn() -> Option<C> + 'static>(&mut self, effect: F, basis: Basi...
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `use_effect_always`
[INFO] [stdout]    --> src/scope/scope.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn use_effect_always<C: FnOnce() -> () + 'static, F: Fn() -> Option<C> + Clone + 'static>(&mut self, effect: F) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/scope/effect.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn update(&self, new_effect: F, new_basis: Basis) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "819b9f40c005244d24661ca6e1eb8abd424e02bd46bd35e24d33f8fb201f3574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819b9f40c005244d24661ca6e1eb8abd424e02bd46bd35e24d33f8fb201f3574", kill_on_drop: false }`
[INFO] [stdout] 819b9f40c005244d24661ca6e1eb8abd424e02bd46bd35e24d33f8fb201f3574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ee2c3e016ada3d50d318e5fecdd914f4930394e22e0744d2fe8b89fa6a66a89
[INFO] running `Command { std: "docker" "start" "-a" "1ee2c3e016ada3d50d318e5fecdd914f4930394e22e0744d2fe8b89fa6a66a89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]  --> src/scope/scope.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::any::Any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/scope/state.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `use_effect`
[INFO] [stderr]    --> src/scope/scope.rs:205:12
[INFO] [stderr]     |
[INFO] [stderr] 205 |     pub fn use_effect<Basis: Eq + 'static, C: FnOnce() -> () + 'static, F: Fn() -> Option<C> + 'static>(&mut self, effect: F, basis: Basi...
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `use_effect_always`
[INFO] [stderr]    --> src/scope/scope.rs:243:12
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn use_effect_always<C: FnOnce() -> () + 'static, F: Fn() -> Option<C> + Clone + 'static>(&mut self, effect: F) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update`
[INFO] [stderr]   --> src/scope/effect.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn update(&self, new_effect: F, new_basis: Basis) -> Self {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-react` (lib test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_react-111e28687c2d0004)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ee2c3e016ada3d50d318e5fecdd914f4930394e22e0744d2fe8b89fa6a66a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee2c3e016ada3d50d318e5fecdd914f4930394e22e0744d2fe8b89fa6a66a89", kill_on_drop: false }`
[INFO] [stdout] 1ee2c3e016ada3d50d318e5fecdd914f4930394e22e0744d2fe8b89fa6a66a89